- All sections
- D - Textilespaper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbonsapparatus specially adapted for the manufacture of carbon filaments
- D01F 6/62 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolycondensation products from polyesters
Patent holdings for IPC class D01F 6/62
Total number of patents in this class: 989
10-year publication summary
|
54
|
77
|
88
|
86
|
82
|
65
|
49
|
67
|
89
|
56
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kolon Industries, Inc. | 1705 |
54 |
| Aladdin Manufacturing Corporation | 225 |
48 |
| Toray Industries, Inc. | 7006 |
41 |
| Kaneka Corporation | 4609 |
32 |
| Kuraray Co., Ltd. | 3524 |
28 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 115 |
19 |
| Tepha, Inc. | 228 |
17 |
| Kimberly-clark Worldwide, Inc. | 5430 |
15 |
| Teijin Limited | 1260 |
14 |
| E. I. du Pont de Nemours and Company | 3973 |
13 |
| Columbia Insurance Company | 1519 |
12 |
| Kureha Corporation | 1040 |
12 |
| Teijin Frontier Co., Ltd. | 223 |
12 |
| 3m Innovative Properties Company | 17762 |
11 |
| Nike, Inc. | 14349 |
11 |
| Hyosung Corporation | 289 |
11 |
| Bridgestone Corporation | 7218 |
10 |
| Fitesa Germany GmbH | 39 |
9 |
| Fitesa Simpsonville, Inc. | 34 |
9 |
| Taiwan Textile Research Institute | 149 |
9 |
| Other owners | 602 |